10Pcs Router Bits Top Mounted Guide for Router Bit--

Replace or repair most any damaged or lost router bit bearings have superior rust resistance and the excellent of oxidation resistance Small friction coefficient, Precision bearing specially designed for high rpm use on router bits. colour:Silver Material:steel size:Outer diameter 12.7mm Inner diameter: 4.96mm Suitable for: 12.7mm Package Contents: 10*Bearings 1*hex key wrench Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.